Michael David Staffieri
Insider
First SEC filing: Oct. 15, 2019 · Latest: Oct. 15, 2019
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 16, 2024 | DVA | S | 32,580 | $150.17 | $4,892,539 | 209,365 Direct | -13.47% | Disposed | 19.0% (price as of 2026-10-05) |
| Aug. 15, 2024 | DVA | S | 9,539 | $150.03 | $1,431,136 | 241,945 Direct | -3.79% | Disposed | 19.1% (price as of 2026-10-05) |
| March 15, 2024 | DVA | F | 12,008 | $136.00 | $1,633,088 | 92,978 Direct | -11.44% | Disposed | 31.3% (price as of 2026-10-05) |
| March 15, 2024 | DVA | A | 13,172 | · | · | 104,986 Direct | +14.35% | Acquired | (price as of 2026-10-05) |
| March 14, 2024 | DVA | A | 2,167 | · | · | 91,814 Direct | +2.42% | Acquired | (price as of 2026-10-05) |
| March 14, 2024 | DVA | A | 21,524 | · | · | 89,647 Direct | +31.60% | Acquired | (price as of 2026-10-05) |
| March 13, 2024 | DVA | M | 50,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 13, 2024 | DVA | F | 15,800 | $139.21 | $2,199,518 | 68,123 Direct | -18.83% | Disposed | 28.3% (price as of 2026-10-05) |
| March 13, 2024 | DVA | D | 18,825 | $139.21 | $2,620,628 | 83,923 Direct | -18.32% | Disposed | 28.3% (price as of 2026-10-05) |
| March 13, 2024 | DVA | M | 50,000 | $52.41 | $2,620,500 | 102,748 Direct | +94.79% | Acquired | 240.8% (price as of 2026-10-05) |
| March 6, 2024 | DVA | M | 50,000 | · | · | 50,000 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| March 6, 2024 | DVA | F | 15,477 | $134.65 | $2,083,978 | 52,748 Direct | -22.69% | Disposed | 32.7% (price as of 2026-10-05) |
| March 6, 2024 | DVA | D | 19,462 | $134.65 | $2,620,558 | 68,225 Direct | -22.19% | Disposed | 32.7% (price as of 2026-10-05) |
| March 6, 2024 | DVA | M | 50,000 | $52.41 | $2,620,500 | 87,687 Direct | +132.67% | Acquired | 240.8% (price as of 2026-10-05) |
| Feb. 21, 2024 | DVA | M | 100,000 | · | · | 100,000 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Feb. 21, 2024 | DVA | S | 29,488 | $119.81 | $3,532,957 | 37,687 Direct | -43.90% | Disposed | 49.1% (price as of 2026-10-05) |
| Feb. 21, 2024 | DVA | F | 27,902 | $123.00 | $3,431,946 | 67,175 Direct | -29.35% | Disposed | 45.2% (price as of 2026-10-05) |
| Feb. 21, 2024 | DVA | D | 42,610 | $123.00 | $5,241,030 | 95,077 Direct | -30.95% | Disposed | 45.2% (price as of 2026-10-05) |
| Feb. 21, 2024 | DVA | M | 100,000 | $52.41 | $5,241,000 | 137,687 Direct | +265.34% | Acquired | 240.8% (price as of 2026-10-05) |
| May 15, 2023 | DVA | F | 19,746 | $96.86 | $1,912,598 | 126,368 Direct | -13.51% | Disposed | 84.4% (price as of 2026-10-05) |
| May 10, 2023 | DVA | M | 243,994 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 10, 2023 | DVA | F | 41,369 | $100.72 | $4,166,686 | 146,114 Direct | -22.07% | Disposed | 77.4% (price as of 2026-10-05) |
| May 10, 2023 | DVA | D | 160,588 | $100.72 | $16,174,423 | 187,483 Direct | -46.14% | Disposed | 77.4% (price as of 2026-10-05) |
| May 10, 2023 | DVA | M | 243,994 | $66.29 | $16,174,362 | 348,071 Direct | +234.44% | Acquired | 169.5% (price as of 2026-10-05) |
| March 15, 2023 | DVA | F | 7,581 | $76.04 | $576,459 | 104,077 Direct | -6.79% | Disposed | 134.9% (price as of 2026-10-05) |
| March 15, 2023 | DVA | F | 1,261 | $76.04 | $95,886 | 111,658 Direct | -1.12% | Disposed | 134.9% (price as of 2026-10-05) |
| March 15, 2023 | DVA | A | 36,823 | · | · | 112,919 Direct | +48.39% | Acquired | (price as of 2026-10-05) |
| March 9, 2023 | DVA | A | 2,081 | · | · | 76,096 Direct | +2.81% | Acquired | (price as of 2026-10-05) |
| Feb. 23, 2023 | DVA | A | 12,514 | · | · | 74,015 Direct | +20.35% | Acquired | (price as of 2026-10-05) |
| June 23, 2022 | DVA | P | 20,000 | $77.70 | $1,554,000 | 61,190 Direct | +48.56% | Acquired | 129.9% (price as of 2026-10-05) |
| May 15, 2022 | DVA | F | 21,479 | $100.05 | $2,148,974 | 68,250 Direct | -23.94% | Disposed | 78.5% (price as of 2026-10-05) |
| March 15, 2022 | DVA | A | 65,080 | · | · | 65,080 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 3, 2021 | DVA | M | 37,101 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Sept. 3, 2021 | DVA | F | 10,192 | $133.52 | $1,360,836 | 89,396 Direct | -10.23% | Disposed | 33.8% (price as of 2026-10-05) |
| Sept. 3, 2021 | DVA | D | 18,195 | $133.52 | $2,429,396 | 99,588 Direct | -15.45% | Disposed | 33.8% (price as of 2026-10-05) |
| Sept. 3, 2021 | DVA | M | 37,101 | $65.48 | $2,429,373 | 117,783 Direct | +45.98% | Acquired | 172.8% (price as of 2026-10-05) |
| March 15, 2021 | DVA | A | 66,097 | · | · | 66,097 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 30, 2020 | DVA | S | 25,000 | $109.74 | $2,743,500 | 42,431 Indirect | -37.07% | Disposed | 62.8% (price as of 2026-10-05) |
| Nov. 19, 2020 | DVA | G | 1,907 | · | · | 100,798 Direct | -1.86% | Disposed | (price as of 2026-10-05) |
| Nov. 18, 2020 | DVA | M | 30,000 | $75.42 | $2,262,600 | 120,838 Direct | +33.03% | Acquired | 136.9% (price as of 2026-10-05) |
| Nov. 18, 2020 | DVA | F | 25,362 | $113.39 | $2,875,797 | 95,476 Direct | -20.99% | Disposed | 57.5% (price as of 2026-10-05) |
| Nov. 18, 2020 | DVA | M | 37,100 | $65.48 | $2,429,308 | 132,576 Direct | +38.86% | Acquired | 172.8% (price as of 2026-10-05) |
| Nov. 18, 2020 | DVA | F | 29,871 | $113.39 | $3,387,073 | 102,705 Direct | -22.53% | Disposed | 57.5% (price as of 2026-10-05) |
| Nov. 18, 2020 | DVA | M | 30,000 | $75.42 | $2,262,600 | 0 Direct | -100.00% | Disposed | 136.9% (price as of 2026-10-05) |
| Nov. 18, 2020 | DVA | M | 37,100 | $65.48 | $2,429,308 | 37,101 Direct | -50.00% | Disposed | 172.8% (price as of 2026-10-05) |
| Nov. 17, 2020 | DVA | M | 36,477 | $75.42 | $2,751,095 | 121,703 Direct | +42.80% | Acquired | 136.9% (price as of 2026-10-05) |
| Nov. 17, 2020 | DVA | F | 30,865 | $113.14 | $3,492,066 | 90,838 Direct | -25.36% | Disposed | 57.9% (price as of 2026-10-05) |
| Nov. 17, 2020 | DVA | M | 36,477 | $75.42 | $2,751,095 | 30,000 Direct | -54.87% | Disposed | 136.9% (price as of 2026-10-05) |
| May 15, 2020 | DVA | F | 2,186 | · | · | 85,226 Direct | -2.50% | Disposed | (price as of 2026-10-05) |
| March 15, 2020 | DVA | A | 118,499 | $75.95 | $8,999,999 | 118,499 Direct | · | Acquired | 135.2% (price as of 2026-10-05) |
| Dec. 24, 2016 | DVA | A | 8,186 | · | · | 8,186 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 9, 2016 | DVA | M | 40,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 9, 2016 | DVA | S 10b5-1 | 20,262 | $73.09 | $1,480,950 | 12,279 Direct | -62.27% | Disposed | 144.4% (price as of 2026-10-05) |
| Aug. 9, 2016 | DVA | F 10b5-1 | 19,738 | $75.36 | $1,487,456 | 32,541 Direct | -37.76% | Disposed | 137.0% (price as of 2026-10-05) |
| Aug. 9, 2016 | DVA | M 10b5-1 | 40,000 | $37.18 | $1,487,200 | 52,279 Direct | +325.76% | Acquired | 380.5% (price as of 2026-10-05) |
| May 16, 2016 | DVA | S | 4,934 | $75.69 | $373,454 | 12,279 Direct | -28.66% | Disposed | 136.0% (price as of 2026-10-05) |
| May 13, 2016 | DVA | A | 66,477 | · | · | 66,477 Direct | · | Acquired | (price as of 2026-10-05) |
| March 2, 2016 | DVA | M | 40,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 2, 2016 | DVA | S | 15,660 | $67.97 | $1,064,410 | 16,833 Direct | -48.19% | Disposed | 162.8% (price as of 2026-10-05) |
| March 2, 2016 | DVA | F | 24,340 | $68.21 | $1,660,231 | 32,493 Direct | -42.83% | Disposed | 161.9% (price as of 2026-10-05) |
| March 2, 2016 | DVA | M | 40,000 | $41.50 | $1,660,000 | 56,833 Direct | +237.63% | Acquired | 330.4% (price as of 2026-10-05) |
| June 2, 2015 | DVA | A | 40,284 | · | · | 40,284 Direct | · | Acquired | (price as of 2026-10-05) |
| May 28, 2015 | DVA | M | 35,000 | $41.50 | $1,452,500 | 43,215 Direct | +426.05% | Acquired | 330.4% (price as of 2026-10-05) |
| May 28, 2015 | DVA | F | 17,282 | $84.06 | $1,452,725 | 25,933 Direct | -39.99% | Disposed | 112.5% (price as of 2026-10-05) |
| May 28, 2015 | DVA | S | 9,050 | $84.07 | $760,834 | 16,833 Direct | -34.97% | Disposed | 112.5% (price as of 2026-10-05) |
| May 28, 2015 | DVA | M | 35,000 | · | · | 40,000 Direct | -46.67% | Disposed | (price as of 2026-10-05) |
| May 18, 2015 | DVA | S | 2,047 | $82.03 | $167,915 | 8,215 Direct | -19.95% | Disposed | 117.8% (price as of 2026-10-05) |
| May 15, 2015 | DVA | A | 9,868 | · | · | 10,262 Direct | +2504.57% | Acquired | (price as of 2026-10-05) |
| Feb. 24, 2015 | DVA | M | 45,000 | · | · | 15,000 Direct | -75.00% | Disposed | (price as of 2026-10-05) |
| Feb. 24, 2015 | DVA | S | 19,712 | $73.58 | $1,450,409 | 394 Direct | -98.04% | Disposed | 142.8% (price as of 2026-10-05) |
| Feb. 24, 2015 | DVA | F | 25,288 | $73.86 | $1,867,772 | 20,106 Direct | -55.71% | Disposed | 141.9% (price as of 2026-10-05) |
| Feb. 24, 2015 | DVA | A | 45,000 | $41.50 | $1,867,500 | 45,394 Direct | +11421.32% | Acquired | 330.4% (price as of 2026-10-05) |
| Jan. 23, 2015 | DVA | M | 40,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Jan. 23, 2015 | DVA | S 10b5-1 | 21,869 | $76.05 | $1,663,137 | 394 Direct | -98.23% | Disposed | 134.9% (price as of 2026-10-05) |
| Jan. 23, 2015 | DVA | F | 18,131 | $76.15 | $1,380,676 | 22,263 Direct | -44.89% | Disposed | 134.6% (price as of 2026-10-05) |
| Jan. 23, 2015 | DVA | M | 40,000 | $34.52 | $1,380,800 | 40,394 Direct | +10152.28% | Acquired | 417.5% (price as of 2026-10-05) |
| Jan. 2, 2015 | DVA | M | 80,000 | · | · | 40,000 Direct | -66.67% | Disposed | (price as of 2026-10-05) |
| Jan. 2, 2015 | DVA | M | 17,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Jan. 2, 2015 | DVA | S 10b5-1 | 43,543 | $75.83 | $3,301,866 | 0 Direct | -100.00% | Disposed | 135.6% (price as of 2026-10-05) |
| Jan. 2, 2015 | DVA | F | 36,457 | $75.74 | $2,761,253 | 43,543 Direct | -45.57% | Disposed | 135.9% (price as of 2026-10-05) |
| Jan. 2, 2015 | DVA | M | 80,000 | $34.52 | $2,761,600 | 80,000 Direct | · | Acquired | 417.5% (price as of 2026-10-05) |
| Jan. 2, 2015 | DVA | S 10b5-1 | 9,884 | $75.52 | $746,440 | 0 Direct | -100.00% | Disposed | 136.5% (price as of 2026-10-05) |
| Jan. 2, 2015 | DVA | F | 7,116 | $75.74 | $538,966 | 9,884 Direct | -41.86% | Disposed | 135.9% (price as of 2026-10-05) |
| Jan. 2, 2015 | DVA | M | 17,000 | $31.70 | $538,900 | 17,000 Direct | · | Acquired | 463.5% (price as of 2026-10-05) |
| May 7, 2014 | DVA | S | 2,633 | $67.30 | $177,201 | 0 Direct | -100.00% | Disposed | 165.4% (price as of 2026-10-05) |
| April 24, 2014 | DVA | A | 25,929 | · | · | 25,929 Direct | · | Acquired | (price as of 2026-10-05) |
| April 2, 2014 | DVA | S | 2,867 | $69.15 | $198,253 | 2,633 Direct | -52.13% | Disposed | 158.3% (price as of 2026-10-05) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| March 13, 2024 | DVA | Stock Appreciation Rights | Common Stock | $52.41 | June 20, 2024 | 50,000 | Disposed |
| March 6, 2024 | DVA | Stock Appreciation Rights | Common Stock | $52.41 | June 20, 2024 | 50,000 | Disposed |
| Feb. 21, 2024 | DVA | Common Stock | Stock Appreciation Rights | $52.41 | June 20, 2024 | 100,000 | Disposed |
| May 10, 2023 | DVA | Stock Appreciation Rights | Common Stock | $66.29 | May 15, 2023 | 243,994 | Disposed |
| March 15, 2022 | DVA | Common Stock | Common Stock | $110.63 | March 15, 2027 | 65,080 | Acquired |
| Sept. 3, 2021 | DVA | Stock Appreciation Rights | Common Stock | $65.48 | June 6, 2022 | 37,101 | Disposed |
| March 15, 2021 | DVA | Stock Appreciation Rights | Common Stock | $108.93 | March 15, 2026 | 66,097 | Acquired |
| Nov. 18, 2020 | DVA | Stock Appreciation Rights | Common Stock | $75.42 | May 13, 2021 | 30,000 | Disposed |
| Nov. 18, 2020 | DVA | Stock Appreciation Rights | Common Stock | $65.48 | June 6, 2022 | 37,100 | Disposed |
| Nov. 17, 2020 | DVA | Stock Appreciation Rights | Common Stock | $75.42 | May 13, 2021 | 36,477 | Disposed |
| March 15, 2020 | DVA | Stock Appreciation Rights | Common Stock | $75.95 | March 15, 2025 | 118,499 | Acquired |
| Dec. 24, 2016 | DVA | Restricted Stock Unit | Common Stock | · | · | 8,186 | Acquired |
| Aug. 9, 2016 | DVA | Stock Appreciation Rights | Common Stock | $37.18 | Aug. 9, 2016 | 40,000 | Disposed |
| May 13, 2016 | DVA | Stock Appreciation Rights | Common Stock | $75.42 | May 13, 2021 | 66,477 | Acquired |
| March 2, 2016 | DVA | Stock Appreciation Rights | Common Stock | $41.50 | March 29, 2016 | 40,000 | Disposed |
| June 2, 2015 | DVA | Stock Appreciation Rights | Common Stock | $83.82 | June 2, 2020 | 40,284 | Acquired |
| May 28, 2015 | DVA | Stock Appreciation Rights | Common Stock | $41.50 | March 29, 2016 | 35,000 | Disposed |
| Feb. 24, 2015 | DVA | Stock Appreciation Rights | Common Stock | $41.50 | March 29, 2016 | 45,000 | Disposed |
| Jan. 23, 2015 | DVA | Stock Appreciation Rights | Common Stock | $34.52 | Sept. 30, 2015 | 40,000 | Disposed |
| Jan. 2, 2015 | DVA | Stock Appreciation Rights | Common Stock | $34.52 | Sept. 30, 2015 | 80,000 | Disposed |
| Jan. 2, 2015 | DVA | Stock Appreciation Rights | Common Stock | $31.70 | March 31, 2015 | 17,000 | Disposed |
| April 24, 2014 | DVA | Stock Appreciation Rights | Common Stock | $69.38 | April 24, 2018 | 25,929 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 21 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 15, 2019 | DVA | Common Stock | 86,945 | Direct |
| Oct. 15, 2019 | DVA | Common Stock | 47,315 | Indirect |
| Oct. 15, 2019 | DVA | Stock Appreciation Rights | 40,284 | Direct |
| Oct. 15, 2019 | DVA | Stock Appreciation Rights | 66,477 | Direct |
| Oct. 15, 2019 | DVA | Stock Appreciation Rights | 74,201 | Direct |
| Oct. 15, 2019 | DVA | Stock Appreciation Rights | 243,994 | Direct |
| Oct. 15, 2019 | DVA | Common Stock | 200,000 | Direct |
| April 2, 2014 | DVA | Common Stock | 5,500 | Direct |
| April 2, 2014 | DVA | Stock Appreciation Right | 54,000 | Direct |
| April 2, 2014 | DVA | Stock Appreciation Right | 120,000 | Direct |
| April 2, 2014 | DVA | Stock Appreciation Right | 120,000 | Direct |
| April 2, 2014 | DVA | Stock Appreciation Right | 40,000 | Direct |
| April 2, 2014 | DVA | Stock Appreciation Right | 25,200 | Direct |
| April 2, 2014 | DVA | Stock Appreciation Right | 50,800 | Direct |
| April 1, 2014 | DVA | Common Stock | 5,500 | Direct |
| April 1, 2014 | DVA | Stock Appreciation Right | 54,000 | Direct |
| April 1, 2014 | DVA | Stock Appreciation Right | 120,000 | Direct |
| April 1, 2014 | DVA | Stock Appreciation Right | 120,000 | Direct |
| April 1, 2014 | DVA | Stock Appreciation Right | 40,000 | Direct |
| April 1, 2014 | DVA | Stock Appreciation Right | 25,200 | Direct |
| April 1, 2014 | DVA | Stock Appreciation Right | 50,800 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2024 | $800,000 | · | · | · | $2,174,730 | · | $393,643 | $8,303,312 |
| 2023 | $800,000 | · | · | · | $1,963,763 | · | $252,129 | $10,422,858 |
| 2022 | · | · | · | · | $684,720 | · | $169,176 | $6,918,683 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.